Electrons, or, The nature and properties of negative electricity (1907)
Lodge, Oliver, Sir, 1851-1940 · London : G. Bell and sons ; New York : Macmillan co. · leaf 107
trified zinc plate withultra-violet light. The apparatus used is shown infig. 13. A clean zinc surface in vacuo, faced by atransparent conductor through which the light couldshine on it, and by a window of quartz which makes CH. VIII.] OF AN ELECTRON 89 the vessel airtight so that it might be… … Fig. 13.—J. J. Thomsons auxiliary apparatus for the counting experi-ment. Ultra-violet light passes through the quartz plate CD andthrough a layer of liquid, which keeps the air saturated, and whichconstitutes one electrode, to a clean zinc plate K, which constitutes theother, and which is kept…
Electrons · Matter, Constitution of · Physics
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